Free Printable Physical Science Final Review

1.

You want to know if the brand of bubble gum affects how big the bubbles are when you blow bubbles. You chew three different brands (one at a time) and blow 3 bubbles per brand. You measure the width of each bubble. What is the independent variable?

a)

Size of Bubble

b)

Brand of Bubble Gum

c)

3 bubbles

d)

Width of Bubble

2.

You want to know if the brand of bubble gum affects how big the bubbles are when you blow bubbles. You chew three different brands (one at a time) and blow 3 bubbles per brand. You measure the width of each bubble. What is the dependent variable?

a)

Brand of Bubble

b)

Bubble Size

c)

# of Bubbles Blown

d)

Color of Bubble

3.

You want to know how music affects the number of free throws you make. You shoot 10 free throws without music and count makes. Then you shoot 10 free throws while playing music and count your makes. What is the independent variable?

a)

Music or No Music

b)

# of Free Throws

c)

10 Free Throws

d)

None of these

4.

You want to know how music affects the number of free throws you make. You shoot 10 free throws without music and count makes. Then you shoot 10 free throws while playing music and count your makes. Which of these would NOT be a constant?

a)

# of free throws you shoot

b)

# of free throws you make

c)

How you shoot the free throws

d)

The gym you shoot the free throws in

5.

Calculate the net force of the object in the image shown.

Calcula la fuerza neta del objeto en la imagen que se muestra.

a)

20N

b)

35N

c)

5N

d)

25N

6.

What is the net force?

Calcula la fuerza neta del objeto en la imagen que se muestra.

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

7.

A firefighter feels the hose pushing backwards onto him as he uses it to put out a fire. What is the most likely cause of this?

a)

The hose material is very elastic.

b)

Since the hose is at rest, it tends to stay at rest.

c)

The force exerted on the water equals the mass of the water times its acceleration.

d)

The escaping water exerts an equal and opposite force on the hose.

8.

The relationship among mass, force, and acceleration is explained by ____.

a)

Law of Conservation of Momentum

b)

Newton's 1st Law of Motion

c)

Newton's 2nd Law of Motion

d)

Newton's 3rd Law of Motion

9.

For any object, the greater the force that's applied to it, the greater its ____ will be.

a)

acceleration

b)

inertia

c)

gravity

d)

size

10.

A 500 N force is applied to a 25 m/s2 object. The mass of the object is ____.

a)

12,500 m/s

b)

12,500 kg

c)

20 m/s

d)

20 kg

11.

A man weighing 800 N is standing on a chair. In order to support the man, what force is the chair exerting?

a)

less than 800 N

b)

greater than 800 N

c)

800 N up

d)

800 N down

12.

This type of force resist motion between two surfaces that are pressed together

a)

contact

b)

gravity

c)

friction

13.

The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:

a)

normal

b)

abnormal

c)

static

d)

inertia

14.

Name the missing force...

a)

frictional force

b)

weight force

c)

thrust

d)

buoyant force

15.

Name the missing force...

a)

normal force

b)

applied force

c)

frictional force

d)

tension force

16.

The one factor that a scientist controls during an experiment. This goes on the x-axis.

a)

Independent Variable

b)

Dependent Variable

17.

The variable that is measured. It goes on the y-axis.

a)

Independent Variable

b)

Dependent Variable

18.

When should a bar graph be used?

a)

When comparing parts of a whole

b)

When showing change over time

c)

When comparing data between different groups of categories

d)

Whenever you want

19.

What type of graph would you make to show how many of your classmates were born in each month of the year?

a)

line

b)

bar

c)

circle

d)

scatter plot

20.

What is the independent variable on the graph (x-axis)?

a)

Metro Bicycle Shop Weekly Sales

b)

Bicycles Sold

c)

Types of Bicycles

21.

What is the dependent variable on the graph (y-axis)?

a)

Metro Bicycle Shop Weekly Sales

b)

Bicycles Sold

c)

Types of Bicycles

22.

A scientist wants to know if eating more protein would cause the growth of more muscle. Which of these would be a good title for their graph?

a)

How Muscle Mass Changes Over Time

b)

Muscles and Protein

c)

How Protein Amounts Affect Muscle Mass

d)

How Muscle Mass Affects Protein Amounts

23.

What's wrong with this graph? SELECT ALL THAT APPLY

a)

No title

b)

No x-axis label

c)

No y-axis label

d)

It needs a break

24.

If a data table has more than 2 columns to it, what does that tell you about the graph you will make?

a)

It will be a bar graph with more than 2 bars

b)

It will need more than one line

c)

It will always have an average column

d)

None of these

25.

A 100 kg dog is moving at a velocity of 10 m/s. What is his momentum?

a)

1,000 kg*m/s

b)

10 kg*m/s

c)

110 kg*m/s

d)

90 kg*m/s

26.

Truck 1 has an average speed of 55 mph. Truck 2 has an average speed of 65 mph. If both trucks have the same mass, which one has more momentum?

a)

Truck 1

b)

Truck 2

c)

They have the same momentum

d)

Cannot be determined

27.

Momentum can be lost in a collision.

a)

True

b)

False

c)

Don't pick this one

d)

This is definitely not the answer

28.

"For every action, there is an equal and opposite reaction."

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

29.

Force = Mass x Acceleration

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

30.

The tendency of an object to resist changes in its motion is...

a)

inertia

b)

force

c)

acceleration

d)

velocity

31.

An automobile you are riding in suddenly stops, but you continue to go forward.

a)

Newton's
1st
Law of Motion

b)

Newton's
2nd
Law of Motion

c)

Newton's
3rd
Law of Motion

32.

You push against a wall and the wall is pushing back on you.

a)

Newton's
1st
Law of Motion

b)

Newton's
2nd
Law of Motion

c)

Newton's
3rd
Law of Motion

33.

How much force is needed to accelerate a 3kg skateboard at 5m/s^2.

a)

8N

b)

1.6N

c)

0.6N

d)

15N

34.

If a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?

a)

1 m

b)

2 m/s²

c)

4m/s²

d)

1 m/s²

35.

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

a)

100 m/s²

b)

25,000 m/s²

c)

10 m/s²

d)

25 m/s²

36.

What is an example of kinetic energy?

a)

A bird sitting in a tree

b)

A bouncy ball on the table

c)

A car driving on the highway

d)

A book on shelf

37.

What can you say about the potential energy of the two sleds shown above?

a)

Sled B has more potential energy.

b)

There is not enough information to know which sled has more potential energy.

c)

The two sleds have the same potential energy.

d)

Sled A has more potential energy.

38.

How could you increase the number of snowmen destroyed by the sled sliding down the hill?

a)

Increase the starting kinetic energy of the sled.

b)

Increase the mass of the sled.

c)

all of the above

d)

Increase the starting height of the sled.

39.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

c)

none of the above

d)

all of the above

40.

As mass increases, KE ...

a)

increases

b)

decreases

c)

stays the same

41.

Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.

a)

18 J

b)

36 J

c)

12 J

d)

6 J

42.

How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?

a)

27 J

b)

18 J

c)

9 J

d)

2 J

43.

which point has the most potential energy

a)

G

b)

f

c)

b

d)

a

44.

What two types of energy make up mechanical energy?

a)

Kinetic

b)

Thermal

c)

Radiant

d)

Potential

Physical Science Final Review

Total questions: 44

Worksheet time: 38mins

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